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Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License. You may obtain a
 * copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package org.apache.geode.distributed.internal.membership.gms.messages;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.geode.DataSerializer;
import org.apache.geode.distributed.internal.DistributionManager;
import org.apache.geode.distributed.internal.HighPriorityDistributionMessage;
import org.apache.geode.distributed.internal.membership.InternalDistributedMember;
import org.apache.geode.internal.Version;

public class RemoveMemberMessage extends HighPriorityDistributionMessage implements HasMemberID {
  private InternalDistributedMember memberID;
  private String reason;


  public RemoveMemberMessage(InternalDistributedMember recipient, InternalDistributedMember id,
      String reason) {
    super();
    setRecipient(recipient);
    this.memberID = id;
    this.reason = reason;
  }

  public RemoveMemberMessage(List recipients,
      InternalDistributedMember id, String reason) {
    super();
    setRecipients(recipients);
    this.memberID = id;
    this.reason = reason;
  }

  public RemoveMemberMessage() {
    // no-arg constructor for serialization
  }

  @Override
  public int getDSFID() {
    return REMOVE_MEMBER_REQUEST;
  }

  @Override
  public void process(DistributionManager dm) {
    throw new IllegalStateException("this message is not intended to execute in a thread pool");
  }

  public InternalDistributedMember getMemberID() {
    return memberID;
  }

  public String getReason() {
    return reason;
  }

  @Override
  public String toString() {
    return getShortClassName() + "(" + memberID + "; reason=" + reason + ")";
  }

  @Override
  public Version[] getSerializationVersions() {
    return null;
  }

  @Override
  public void toData(DataOutput out) throws IOException {
    DataSerializer.writeObject(memberID, out);
    DataSerializer.writeString(reason, out);
  }

  @Override
  public void fromData(DataInput in) throws IOException, ClassNotFoundException {
    memberID = DataSerializer.readObject(in);
    reason = DataSerializer.readString(in);
  }

}